🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 8.3

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.66 AU - 0.9 AU

Year: 484 Days

Day: 5.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,031,438 km

• M1: 103,223 km (0.116 R)
• M2: 435,928 km (0.095 R)
• M3: 819,497 km (0.102 R)
• M4: 1,183,469 km (0.118 R)
• M5: 1,630,766 km (0.12 R)
• M6: 1,920,089 km (0.117 R)
• M7: 2,320,562 km (0.075 R)
• M8: 2,842,360 km (0.114 R)
• M9: 3,119,564 km (0.111 R)
• M10: 3,453,018 km (0.055 R)
• M11: 4,019,246 km (0.074 R)
• M12: 4,724,600 km (0.079 R)
• M13: 5,301,599 km (0.115 R)
• M14: 5,814,570 km (0.06 R)
• M15: 6,111,522 km (0.08 R)
• M16: 6,776,484 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 14

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.18 AU - 1.6 AU

Year: 1152 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,031,438 km

• M1: 174,431 km (0.064 R)
• M2: 619,335 km (0.049 R)
• M3: 1,499,120 km (0.102 R)
• M4: 2,219,883 km (0.1 R)
• M5: 4,019,096 km (0.093 R)
• M6: 4,707,396 km (0.106 R)
• M7: 6,358,657 km (0.092 R)
• M8: 6,806,254 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 12.4

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.48 AU - 2.32 AU

Year: 1841 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,031,438 km

• M1: 154,235 km (0.057 R)
• M2: 546,780 km (0.062 R)
• M3: 1,004,251 km (0.113 R)
• M4: 1,424,321 km (0.062 R)
• M5: 1,952,551 km (0.025 R)
• M6: 2,624,246 km (0.115 R)
• M7: 3,311,050 km (0.091 R)
• M8: 3,962,997 km (0.115 R)
• M9: 4,553,011 km (0.11 R)
• M10: 5,430,403 km (0.073 R)
• M11: 6,575,275 km (0.108 R)
• M12: 9,204,607 km (0.109 R)
• M13: 10,679,194 km (0.12 R)
• M14: 11,983,687 km (0.12 R)
• M15: 12,591,952 km (0.046 R)
• M16: 13,695,087 km (0.089 R)
• M17: 14,953,953 km (0.04 R)
• M18: 15,374,472 km (0.112 R)
• M19: 15,803,070 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 10.1

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.7 AU - 2.9 AU

Year: 3293 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,031,438 km

• M1: 126,111 km (0.11 R)
• M2: 528,080 km (0.085 R)
• M3: 902,374 km (0.029 R)
• M4: 1,543,700 km (0.105 R)
• M5: 2,242,472 km (0.105 R)
• M6: 2,960,542 km (0.025 R)
• M7: 3,579,578 km (0.045 R)
• M8: 4,016,852 km (0.087 R)
• M9: 4,396,831 km (0.032 R)
• M10: 4,974,129 km (0.117 R)
• M11: 5,655,847 km (0.119 R)
• M12: 6,019,370 km (0.103 R)
• M13: 6,339,210 km (0.119 R)
• M14: 6,981,583 km (0.083 R)
• M15: 7,532,851 km (0.077 R)
• M16: 7,973,716 km (0.07 R)
• M17: 8,870,256 km (0.116 R)
• M18: 9,792,677 km (0.083 R)
• M19: 11,120,507 km (0.041 R)
• M20: 12,470,927 km (0.09 R)
• M21: 13,827,032 km (0.12 R)
• M22: 14,749,303 km (0.049 R)
• M23: 18,362,241 km (0.045 R)
• M24: 21,701,565 km (0.091 R)
• M25: 23,514,242 km (0.093 R)
• M26: 24,018,985 km (0.115 R)
• M27: 24,975,514 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.8

Radius: 9.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.29 AU - 4.03 AU

Year: 4922 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,031,438 km

• M1: 118,482 km (0.114 R)
• M2: 427,850 km (0.107 R)
• M3: 737,966 km (0.078 R)
• M4: 1,459,477 km (0.1 R)
• M5: 2,076,568 km (0.099 R)
• M6: 2,397,306 km (0.08 R)
• M7: 3,006,468 km (0.107 R)
• M8: 4,582,033 km (0.088 R)
• M9: 4,943,162 km (0.064 R)
• M10: 6,454,101 km (0.058 R)
• M11: 7,489,617 km (0.069 R)
• M12: 8,984,848 km (0.062 R)
• M13: 10,014,829 km (0.084 R)
• M14: 10,984,672 km (0.101 R)
• M15: 12,161,409 km (0.095 R)
• M16: 12,654,933 km (0.066 R)
• M17: 14,161,982 km (0.089 R)
• M18: 15,042,963 km (0.106 R)
• M19: 17,905,220 km (0.064 R)
• M20: 19,000,426 km (0.088 R)
• M21: 19,397,608 km (0.083 R)
• M22: 26,610,170 km (0.071 R)
• M23: 28,636,473 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.3

Radius: 12.4

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.37 AU - 4.27 AU

Year: 5248 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,031,438 km

• M1: 154,235 km (0.092 R)
• M2: 614,398 km (0.093 R)
• M3: 1,050,626 km (0.056 R)
• M4: 1,649,017 km (0.097 R)
• M5: 2,752,002 km (0.109 R)
• M6: 4,049,166 km (0.085 R)
• M7: 4,659,076 km (0.083 R)
• M8: 6,159,992 km (0.041 R)
• M9: 6,898,706 km (0.107 R)
• M10: 7,923,302 km (0.119 R)
• M11: 10,504,164 km (0.119 R)
• M12: 14,104,835 km (0.073 R)
• M13: 14,620,798 km (0.069 R)
• M14: 15,268,557 km (0.109 R)
• M15: 21,835,455 km (0.087 R)
• M16: 24,114,429 km (0.12 R)
• M17: 24,687,538 km (0.032 R)
• M18: 30,546,240 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.7

Radius: 7.1

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.8 AU - 8 AU

Year: 12740 Days

Day: 18.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,031,438 km

• M1: 89,310 km (0.101 R)
• M2: 369,058 km (0.089 R)
• M3: 660,774 km (0.069 R)
• M4: 1,084,136 km (0.087 R)
• M5: 1,436,439 km (0.111 R)
• M6: 4,089,258 km (0.101 R)
• M7: 4,459,662 km (0.073 R)
• M8: 5,267,640 km (0.111 R)
• M9: 5,706,560 km (0.081 R)
• M10: 6,169,566 km (0.064 R)
• M11: 9,104,676 km (0.104 R)
• M12: 13,221,460 km (0.107 R)
• M13: 13,904,972 km (0.106 R)
• M14: 14,223,317 km (0.099 R)
• M15: 16,096,731 km (0.119 R)
• M16: 19,442,637 km (0.078 R)
• M17: 19,760,832 km (0.086 R)
• M18: 22,782,559 km (0.094 R)
• M19: 26,098,695 km (0.11 R)
• M20: 32,652,129 km (0.064 R)
• M21: 37,458,858 km (0.057 R)
• M22: 45,312,297 km (0.046 R)
• M23: 47,577,808 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 17,829 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit